Dear Tsjerk Thanks for your right suggestion. It works successfully for dna-protein complex simulation. i want to ask one more thing , can I use parameter file for energy minimisation which i have used for membrane protein simulation or can u suggest me what changes I have to make in parameter file to use for dna- protein complex simulation. the parameter file like this- cpp = /usr/bin/cpp define = -DPOSRE_PROTEIN constraints = none integrator = steep dt = 0.002 nsteps = 10000 ; ; Energy minimizing stuff ; emtol = 1000 emstep = 0.0001
nstcomm = 1 nstlist = 10 ns_type = grid rlist = 1.0 rcoulomb = 1.0 vdw-type = cut-off rvdw = 1.0 coulombtype = PME Tcoupl = no Pcoupl = no gen_vel = no comm-mode = Linear pbc = XYZ Specially where i have apply position restrain? Thanking you Nitu sharma
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